CVE-2021-36809

A local attacker can overwrite arbitrary files on the system with VPN client logs using administrator privileges, potentially resulting in a denial of service and data loss, in all versions of Sophos SSL VPN client.

CVSS v3 6.1 MEDIUM
CVSS v2.0 3.6 LOW

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

3.6^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:P/A:P

Exploitability : 3.9 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos	Vendor Advisory
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:sophos:ssl_vpn_client:-:*:*:*:*:windows:*:*

History

21 Nov 2024, 06:14

Type	Values Removed	Values Added
CVSS	v2 : ~~3.6~~ v3 : ~~6.0~~	v2 : 3.6 v3 : 6.1
References	~~() https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos - Vendor Advisory~~	() https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos - Vendor Advisory

Information

Published : 2022-03-08 00:15

Updated : 2024-11-21 06:14

NVD link : CVE-2021-36809

Mitre link : CVE-2021-36809

CVE.ORG link : CVE-2021-36809

JSON object : View

Products Affected

sophos

ssl_vpn_client

CWE

NVD-CWE-noinfo

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